15149720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22279}}^1$

素因数の和:22307

約数の個数: 32

約数和(自身を含む): 36093600

約数和(自身を除く): 20943880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 22279, 44558, 89116, 111395, 178232, 222790, 378743, 445580, 757486, 891160, 1514972, 1893715, 3029944, 3787430, 7574860, 15149720]

約数ペア:

[(1, 15149720), (2, 7574860), (4, 3787430), (5, 3029944), (8, 1893715), (10, 1514972), (17, 891160), (20, 757486), (34, 445580), (40, 378743), (68, 222790), (85, 178232), (136, 111395), (170, 89116), (340, 44558), (680, 22279)]